In a tech world

Israeli historian Yuval Noah Harari's new book, released in China, points to the challenges people will face in the future. Wang Kaihao reports.

Before his Sapiens: A Brief History of Humankind became a phenomenon around the globe, Israeli historian Yuval Noah Harari probably did not imagine he would become a celebrity.

His lecture in Beijing last year was as popular as a concert, attracting thousands.